Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:07 2012

Optimize a model with 899 rows, 650 columns and 3223 nonzeros
Presolve removed 53 rows and 27 columns
Presolve time: 0.03s
Presolved: 846 rows, 623 columns, 3005 nonzeros
Variable types: 0 continuous, 623 integer (623 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 3.000000e+00, 795 iterations, 0.02 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

*    0     0               0       3.0000000    3.00000   0.0%     -    0s

Explored 0 nodes (1588 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%